Planning Register
South Dublin County Council · SD25B/0549W · Permission

11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568

Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness

Council received 15 Sept 2025We first saw it 11 Sept 2026, 18:51 (362 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

SD25B/0549W is a planning application for permission at 11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568, received by South Dublin County Council on 15 Sept 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: The development will consist of altering the existing hip in the side of the main roof to a gable, the construction of a rooflight in the main roof to the front of the house and a window in the new gable at attic level. The council declared the application invalid on 23 Sept 2025. The five-week observation window closed on 20 Oct 2025. The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 62 other decided applications in the last five years and 3 appeals.

Appeal window closes 21 Oct 2025 closed 326 days ago
4 weeks from the council's decision (23 Sept 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

The development will consist of altering the existing hip in the side of the main roof to a gable, the construction of a rooflight in the main roof to the front of the house and a window in the new gable at attic level.

Status
Invalid - Site Notice
Decision
Invalid - site notice on 23 Sept 2025
Floor area
9 m²
Site (from polygon)
200 m²
Location precision
site (coords_polygon)

Timeline

  • 15 Sept 2025
    New application
    Observation window closed 20 Oct 2025
  • 23 Sept 2025
    Decision
    Appeal window closed 21 Oct 2025

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Appeal

Not appealed.

Commencement

No commencement notice matched to this reference.

    Zoning at the site

    R2 — Existing residential

    RES: To protect and/or improve residential amenity

    An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.

    Designations within 250 m

    No OPW flood extent nearby.

    • Radon risk area · 3
      About 1 in 10 homes in this area is likely to have high radon levels; About 1 in 5 homes in this area is likely to have high radon levels; About 1 in 5 homes in this area is likely to have high radon levels

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 95297). Deadlines were computed by the store from the received / decided dates under the Planning and Development Act 2000 and are recorded as events, not recomputed here. Council register: https://planning.agileapplications.ie/southdublin/application-details/68947.

    Source: npad · fetched 11 Sept 2026, 18:51
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    npadCC-BY-4.011 Sept 2026, 18:51open